Flaky test: TestAPISwarmRaftQuorum #34988
Description
This test seems to be failing frequently, e.g. https://jenkins.dockerproject.org/job/Docker-PRs/45756 (#34908)
10:58:56 ----------------------------------------------------------------------
10:58:56 FAIL: docker_api_swarm_test.go:349: DockerSwarmSuite.TestAPISwarmRaftQuorum
10:58:56
10:58:56 [d027470b02f36] waiting for daemon to start
10:58:56 [d027470b02f36] daemon started
10:58:56
10:58:56 [d416ed90108aa] waiting for daemon to start
10:58:56 [d416ed90108aa] daemon started
10:58:56
10:58:56 [db1f95dd1b76f] waiting for daemon to start
10:58:56 [db1f95dd1b76f] daemon started
10:58:56
10:58:56 [d416ed90108aa] exiting daemon
10:58:56 [db1f95dd1b76f] exiting daemon
10:58:56 docker_api_swarm_test.go:374:
10:58:56 c.Assert(err.Error(), checker.Contains, "deadline exceeded")
10:58:56 ... obtained string = "Error response from daemon: rpc error: code = Internal desc = transport is closing"
10:58:56 ... substring string = "deadline exceeded"
10:58:56
10:58:56 [d027470b02f36] exiting daemon